The total number of asylum seeker arrivals since the Government announced that it was reintroducing offshore processing in early August has reached 4500, more than double the capacity of Nauru and Manus Island.

To feed an extra 2 billion people by 2050, the world needs to dramatically increase food production by an estimated 60 per cent. This huge challenge has to be met as global warming of more than two degrees cuts productivity of the world's major food crops.